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Claim Evidence Reasoning

Using the strategy of Claim, Evidence, Reasoning can help your students think like scientists. Claim, evidence, reasoning, also known as CER is a great strategy to teach students to make and support their conclusion on evidence.
Part of successfully instilling science and engineering practices into students is helping them to understand that the conclusions they come to at the end of a scientific experiment or an engineering design solution must be based not on wishes, but on objective evidence.
This is where claim-evidence-reasoning (CER) comes in, a model in which students offer claims about their hypothesis or prototype, using the evidence available from their experiment or design solution.
Claim Evidence Reasoning

Using Claim Evidence Reasoning in Science Instruction

Students need to be able to ask questions as a scientist would or solve problems as an engineer would. As students engage in the science and engineering practices, they are actively creating, analyzing, and evaluating. It is also important that students develop a structure of learning in which they engage in the science and engineering practices. This structure is needed so that students can logically move from a question or problem to an evidence-based conclusion. This structure comes in the form of scientific and engineering practices, the same way that scientists and engineers use practices to guide them.

The claim-evidence-reasoning comes in when students are asked to form a conclusion.This conclusion should be based on evidence such as lab work, research, readings and more. 

CER

A claim that answers a question

Evidence from students’ data

Reasoning that supports a scientific principle with examples as evidence

Science and Engineering Practices and CER

There are two science and engineering practices that align well with the strategy of CER. Engaging in argument from evidence and obtaining, evaluating and communicating information are perfectly aligned with Claim-Evidence-Reasoning as a strategy.

The claim-evidence-reasoning model provides students with an objective, scientific structure to support them in developing their conclusion. It helps students align their conclusions to the purpose of the investigation, using their evidence to create reasoning that then provides direction for further investigation of the topic at hand.

If you would like a great set of task cards and a slide show for teaching students to write Claim-Evidence-Reasoning, I have a great set for you! My task cards for Claim Evidence and Reasoning start with a slide show and some follow-up pages. This is followed by a set of 8 task cards.  Students look at the information and write a CER to go with it. The task cards come in blackline and color. Answer keys are included. 

claim evidence reasoning slide show
Slide Show
Task Cards and Follow-up Pages
Claim Evidence Reasoning

Available in two places. You can purchase this here on Teaching Science.

Or in my TPT Store

Also, for Middle School, I have Claim Evidence Reasoning. This is also available in two places: here on Teaching Science and in my TPT Store.

Claim Evidence Reasoning

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I am so impressed with this unit which manages to be distance learning and hands-on at the same time.  Really well thought out and engaging activities that allow students to practice each of the eight Science and Engineering Practices.  Really no prep for me!

 
Science and Engineering Practices Distance Education Unit

Tina S

Teaching Science with Lynda R. Williams
5
2016-05-03T18:05:39-06:00

Tina S

I am so impressed with this unit which manages to be distance learning and hands-on at the same time.  Really well thought out and engaging activities that allow students to practice each of the eight Science and Engineering Practices.  Really no prep for me!   Science and Engineering Practices Distance Education Unit
The elephant article was excellent but I also thought the lab on dissecting a flower was broken down so easily, even telling me where to get inexpensive flowers!  This resource helped me teach this challenging standard in an engaging way.  Worth every penny!

 
Structure and Function NGSS 4-LS1-1 and 4-LS1-2

Richard S

Teaching Science with Lynda R. Williams
5
2016-05-03T18:07:52-06:00

Richard S

The elephant article was excellent but I also thought the lab on dissecting a flower was broken down so easily, even telling me where to get inexpensive flowers!  This resource helped me teach this challenging standard in an engaging way.  Worth every penny!   Structure and Function NGSS 4-LS1-1 and 4-LS1-2
As always, Lynda provides perfect alignment with the standards.

 
Age of the Earth and Geologic Time Scale NGSS MS ESS1-4

Sharon M

Teaching Science with Lynda R. Williams
5
2016-05-03T18:24:44-06:00

Sharon M

As always, Lynda provides perfect alignment with the standards.   Age of the Earth and Geologic Time Scale NGSS MS ESS1-4
Thank you so much for creating this resource! It is such a fun and engaging activity for my students, especially during distance learning.

 
Honey Bee Digital Escape Distance Learning

Expedition Fourth

Teaching Science with Lynda R. Williams
2020-11-03T20:44:55-07:00

Expedition Fourth

Thank you so much for creating this resource! It is such a fun and engaging activity for my students, especially during distance learning.   Honey Bee Digital Escape Distance Learning
My students loved this unit. I was able to present different elements of it throughout the month. It is hard to find interesting non-fictional, age-appropriate text for my students that they will enjoy. This was a great unit that aligned well for my students who have very different goals within the same group.

 
Compare and Contrast Two Texts on Reindeer

Heidi J

Teaching Science with Lynda R. Williams
2020-11-03T20:45:49-07:00

Heidi J

My students loved this unit. I was able to present different elements of it throughout the month. It is hard to find interesting non-fictional, age-appropriate text for my students that they will enjoy. This was a great unit that aligned well for my students who have very different goals within the same group.   Compare and Contrast Two Texts on Reindeer
5
3
Teaching Science with Lynda R. Williams